//
//  LYTimeTableDashLine.m
//  LYLiveApp
//
//  Created by liuhuan on 2017/5/25.
//  Copyright © 2017年 览益信息科技. All rights reserved.
//

#import "LYTimeTableDashLine.h"

@implementation LYTimeTableDashLine

- (void)awakeFromNib
{
    [super awakeFromNib];
    self.backgroundColor = [UIColor whiteColor];
}

- (void)layoutSubviews
{
    [super layoutSubviews];
    CGFloat lineLength = self.lineLength>0?:5;
    CGFloat lineSpacing = self.lineSpacing>0?:5;
     [self drawLineOfDashByCAShapeLayer:self lineLength:lineLength lineSpacing:lineSpacing lineColor:[UIColor colorWithHexString:@"bbbbbb"]];
}
/**
 *  通过 CAShapeLayer 方式绘制虚线
 *
 *  param lineView:       需要绘制成虚线的view
 *  param lineLength:     虚线的宽度
 *  param lineSpacing:    虚线的间距
 *  param lineColor:      虚线的颜色
 **/
- (void)drawLineOfDashByCAShapeLayer:(UIView *)lineView lineLength:(int)lineLength lineSpacing:(int)lineSpacing lineColor:(UIColor *)lineColor {
    CAShapeLayer *shapeLayer = [CAShapeLayer layer];
    [shapeLayer setBounds:lineView.bounds];
    [shapeLayer setPosition:CGPointMake(CGRectGetWidth(lineView.frame) / 2, CGRectGetHeight(lineView.frame))];
    [shapeLayer setFillColor:[UIColor clearColor].CGColor];
    //  设置虚线颜色为blackColor
    [shapeLayer setStrokeColor:lineColor.CGColor];

    //  设置虚线宽度
    [shapeLayer setLineWidth:CGRectGetHeight(lineView.frame)];
    [shapeLayer setLineJoin:kCALineJoinRound];
    //  设置线宽，线间距
    [shapeLayer setLineDashPattern:[NSArray arrayWithObjects:[NSNumber numberWithInt:lineLength], [NSNumber numberWithInt:lineSpacing], nil]];
    //  设置路径
    CGMutablePathRef path = CGPathCreateMutable();
    CGPathMoveToPoint(path, NULL, 0, 0);
    CGPathAddLineToPoint(path, NULL,CGRectGetWidth(lineView.frame), 0);
    [shapeLayer setPath:path];
    CGPathRelease(path);
    //  把绘制好的虚线添加上来
    [lineView.layer addSublayer:shapeLayer];
}
@end
